Exemplo n.º 1
0
    def test_insert_batch_items_dynamodb_table(self):

        hook = AwsDynamoDBHook(aws_conn_id='aws_default',
                               table_name='test_airflow',
                               table_keys=['id'],
                               region_name='us-east-1')

        # this table needs to be created in production
        table = hook.get_conn().create_table(
            TableName='test_airflow',
            KeySchema=[
                {
                    'AttributeName': 'id',
                    'KeyType': 'HASH'
                },
            ],
            AttributeDefinitions=[{
                'AttributeName': 'id',
                'AttributeType': 'S'
            }],
            ProvisionedThroughput={
                'ReadCapacityUnits': 10,
                'WriteCapacityUnits': 10
            },
        )

        table = hook.get_conn().Table('test_airflow')

        items = [{
            'id': str(uuid.uuid4()),
            'name': 'airflow'
        } for _ in range(10)]

        hook.write_batch_data(items)

        table.meta.client.get_waiter('table_exists').wait(
            TableName='test_airflow')
        self.assertEqual(table.item_count, 10)
Exemplo n.º 2
0
 def test_get_conn_returns_a_boto3_connection(self):
     hook = AwsDynamoDBHook(aws_conn_id='aws_default')
     self.assertIsNotNone(hook.get_conn())
Exemplo n.º 3
0
class TestHiveToDynamoDBTransferOperator(unittest.TestCase):

    def setUp(self):
        args = {'owner': 'airflow', 'start_date': DEFAULT_DATE}
        dag = DAG('test_dag_id', default_args=args)
        self.dag = dag
        self.sql = 'SELECT 1'
        self.hook = AwsDynamoDBHook(
            aws_conn_id='aws_default', region_name='us-east-1')

    @staticmethod
    def process_data(data, *args, **kwargs):
        return json.loads(data.to_json(orient='records'))

    @unittest.skipIf(mock_dynamodb2 is None, 'mock_dynamodb2 package not present')
    @mock_dynamodb2
    def test_get_conn_returns_a_boto3_connection(self):
        hook = AwsDynamoDBHook(aws_conn_id='aws_default')
        self.assertIsNotNone(hook.get_conn())

    @mock.patch('airflow.providers.apache.hive.hooks.hive.HiveServer2Hook.get_pandas_df',
                return_value=pd.DataFrame(data=[('1', 'sid')], columns=['id', 'name']))
    @unittest.skipIf(mock_dynamodb2 is None, 'mock_dynamodb2 package not present')
    @mock_dynamodb2
    def test_get_records_with_schema(self, mock_get_pandas_df):
        # this table needs to be created in production
        self.hook.get_conn().create_table(
            TableName='test_airflow',
            KeySchema=[
                {
                    'AttributeName': 'id',
                    'KeyType': 'HASH'
                },
            ],
            AttributeDefinitions=[
                {
                    'AttributeName': 'id',
                    'AttributeType': 'S'
                }
            ],
            ProvisionedThroughput={
                'ReadCapacityUnits': 10,
                'WriteCapacityUnits': 10
            }
        )

        operator = airflow.providers.amazon.aws.operators.hive_to_dynamodb.HiveToDynamoDBTransferOperator(
            sql=self.sql,
            table_name="test_airflow",
            task_id='hive_to_dynamodb_check',
            table_keys=['id'],
            dag=self.dag)

        operator.execute(None)

        table = self.hook.get_conn().Table('test_airflow')
        table.meta.client.get_waiter(
            'table_exists').wait(TableName='test_airflow')
        self.assertEqual(table.item_count, 1)

    @mock.patch('airflow.providers.apache.hive.hooks.hive.HiveServer2Hook.get_pandas_df',
                return_value=pd.DataFrame(data=[('1', 'sid'), ('1', 'gupta')], columns=['id', 'name']))
    @unittest.skipIf(mock_dynamodb2 is None, 'mock_dynamodb2 package not present')
    @mock_dynamodb2
    def test_pre_process_records_with_schema(self, mock_get_pandas_df):
        # this table needs to be created in production
        self.hook.get_conn().create_table(
            TableName='test_airflow',
            KeySchema=[
                {
                    'AttributeName': 'id',
                    'KeyType': 'HASH'
                },
            ],
            AttributeDefinitions=[
                {
                    'AttributeName': 'id',
                    'AttributeType': 'S'
                }
            ],
            ProvisionedThroughput={
                'ReadCapacityUnits': 10,
                'WriteCapacityUnits': 10
            }
        )

        operator = airflow.providers.amazon.aws.operators.hive_to_dynamodb.HiveToDynamoDBTransferOperator(
            sql=self.sql,
            table_name='test_airflow',
            task_id='hive_to_dynamodb_check',
            table_keys=['id'],
            pre_process=self.process_data,
            dag=self.dag)

        operator.execute(None)

        table = self.hook.get_conn().Table('test_airflow')
        table.meta.client.get_waiter('table_exists').wait(TableName='test_airflow')
        self.assertEqual(table.item_count, 1)